Nightlight for an electrical device



FIG. 1 is a front right perspective view illustrating our new design for a nightlight for an electrical device with the broken lines showing, for illustrative purposes only, a back plate, mounting straps and a housing that are not part of the claimed design;

FIG. 2 is a top view thereof with the broken lines showing the back plate, mounting straps and the housing;

FIG. 3 is a front view thereof with the dashed lines showing the back plate, the mounting straps and the housing; and,

FIG. 4 is a right side view thereof with the broken lines showing the back plate, the mounting straps and the housing. 

The ornamental design for a nightlight for an electrical device, as shown and described. 